HomeMy WebLinkAboutSW5240101_Application Form_20240131 IV. PROJECT INFORMATION
1. In the space provided below,briefly summarize how the stormwater runoff will be treated.
The site modification and expansion of the existing Town wastewater treatment facility.Existing storm
drainage infrastructure will largely remain in place.Several structures are proposed to be removed and new
structures are proposed.Stormwater is directed to grass lined swales where feasible.New piping is proposed
to cross vehicular access where required.All piped stormwater is directed to swales prior to leaving the site
or entering surface waters.
2.a.If claiming vested rights,identify the supporting documents provided and the date they were approved:
❑ Approval of a Site Specific Development Plan or PUD Approval Date:
❑Valid Building Permit Issued Date:
❑Other: Date:
b.If claiming vested rights,identify the regulation(s)the project has been designed in accordance with:
❑Coastal SW-1995 ❑Ph II-Post Construction
3. Stormwater runoff from this project drains to the Cape Fear River basin.
4. Total Property Area:55.95 acres 5. Total Coastal Wetlands Area: 0.0 acres
6. Total Surface Water Area:0.69 acres
7. Total Property Area(4)-Total Coastal Wetlands Area(5)-Total Surface Water Area(6)=Total Project
Area+:55.26 acres
+ Total project area shall be calculated to exclude the following: the normal pool of impounded structures, the area
between the banks of streams and rivers, the area below the Normal High Water(NHW)line or Mean High Water
(MI-W)line, and coastal wetlands landward from the NHW(or MHW)line. The resultant project area is used to
calculate overall percent built upon area (BUA). Non-coastal wetlands landward of the NHW(or MHW)line may
be included in the total project area.
8. Project percent of impervious area: (Total Impervious Area/ Total Project Area)X 100 =7.25
9. How many drainage areas does the project have?2 (For high density,count 1 for each proposed engineered
stormwater BMP. For low density and other projects,use 1 for the whole property area)
10. Complete the following information for each drainage area identified in Project Information item 9. If there
are more than four drainage areas in the project,attach an additional sheet with the information for each area
provided in the same format as below.
Form SWU-101 Version Oct. 31,2013 Page 3 of 7
Basin Information Drainage Area 1 Drainage Area_ Drainage Area_ Drainage Area
Receiving Stream Name Rocky River
Stream Class * C
Stream Index Number* 17-43-(8)
Total Drainage Area(sf) 2,407,126
On-site Drainage Area(sf) 2,407,126
Off-site Drainage Area(sf) N/A
Proposed Impervious Area**(sf) 174,517
% Impervious Area**(total) 7.25
Impervious'Surface Area Drainage Area 1 Drainage Area_ Drainage Area_ Drainage Area
On-site Buildings/Lots(sf) 10,682
On-site Streets (sf) 36,081
On-site Parking (sf) 0
On-site Sidewalks (sf) 2,587
Other on-site (sf) 9125
Future(sf) 0
Off-site (sf)
Existing BUA***(sf) 116,042
Total (sf): 174,517 _
* Stream Class and Index Number can be determined at: http://portal.ncdenr.org/web/wq/ps/csu/classifications
** Impervious area is defined as the built upon area including, but not limited to, buildings, roads,parking areas,
sidewalks,gravel areas,etc.
***Report only that amount of existing BUA that will remain after development. Do not report any existing BUA that
is to be removed and which will be replaced by new BUA.
11. How was the off-site impervious area listed above determined?Provide documentation.Impervious area was
determined using Autocad. See Sheet CE-102 in plans.
Projects in Union County: Contact DEMLR Central Office staff to check if the project is located within a Threatened&
Endangered Species watershed that may be subject to more stringent stormwater requirements as per 15A NCAC 02B.0600.
V. SUPPLEMENT AND O&M FORMS
The applicable state stormwater management permit supplement and operation and maintenance (O&M)forms
must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded
from http://portal.ncdenr.org/web/wq/ws/su/bmp-manual.
VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Energy,Mineral and
Land Resources (DEMLR). A complete package includes all of the items listed below. A detailed application
instruction sheet and BMP checklists are available from
http://portal.ncdenr.org/web/wq/ws/su/statesw/forms_docs. The complete application package should be
submitted to the appropriate DEMLR Office. (The appropriate office may be found by locating project on the
interactive online map at http://portal.ncdenr.org/web/wq/ws/su/maps.)
Please indicate that the following required information have been provided by initialing in the space provided
for each item.All original documents MUST be signed and initialed in blue ink. Download the latest versions
for each submitted application package from http://portal.ncdenr.org/web/wq/ws/su/statesw/forms_docs.
Initials
1. Original and one copy of the Stormwater Management Permit Application Form.
2. Original and one copy of the signed and notarized Deed Restrictions&Protective Covenants
Form. (if required as per Part VII below)
3. Original of the applicable Supplement Form(s) (sealed,signed and dated) and O&M
agreement(s)for each BMP.
4. Permit application processing fee of$505 payable to NCDENR. (For an Express review,refer to
http://www.envhelp.org/pages/onestopexpress.html for information on the Express program
Form SWU-101 Version Oct. 31,2013 Page 4 of 7